org_node_trigger.py
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"""c_org_node_trigger (03-C §3.3): subprocess wrapper skeleton.
U-005 scope: shell out `claude --agent <org_node> -p ...` and return the text
response -- "骨架，不含完整状态机" per development-plan.md. No task-lifecycle
state machine yet: TASK_NOT_READY/CONCURRENCY_LIMIT_REACHED/USAGE_LIMIT_REACHED
handling is U-010's job, not this one.
Identity comes entirely from `.claude/agents/<org_node>.md` in the target
project (see src/agent_profile.py) -- this module only assembles the prompt
and parses the response, no role-isolation logic of its own (03-C §3.3).
"""
import json
import subprocess
from src.agent_profile import ORG_NODES
class OrgNodeTriggerError(Exception):
"""Raised when the claude subprocess exits non-zero or reports is_error."""
def trigger_org_node(org_node, prompt, target_folder_path, timeout=300):
"""Runs `claude --agent <org_node> -p <prompt>` with cwd=target_folder_path.
`.claude/agents/<org_node>.md` must already be deployed in target_folder_path
(agent_profile.deploy_agent_definitions) -- this function does not deploy it.
Returns the response text (the JSON `result` field).
"""
if org_node not in ORG_NODES:
raise ValueError(org_node)
result = subprocess.run(
[
"claude", "--agent", org_node,
"-p", prompt,
"--output-format", "json",
"--permission-mode", "auto",
],
cwd=target_folder_path,
stdin=subprocess.DEVNULL,
capture_output=True,
text=True,
timeout=timeout,
)
if result.returncode != 0:
# 2026-07-31 fix: a real Coder call once failed with returncode=1 and
# empty stderr, and the exception message (stderr-only, as it used to
# be) gave zero diagnostic signal -- whatever claude actually said
# about the failure was in stdout, which this branch was discarding.
# Both are now included (truncated -- stdout in JSON mode can be
# large) so a future real failure is actually debuggable.
raise OrgNodeTriggerError(
"claude --agent {} exited {}\nstderr: {}\nstdout (truncated): {}".format(
org_node, result.returncode, result.stderr, result.stdout[:4000]
)
)
payload = json.loads(result.stdout)
if payload.get("is_error"):
raise OrgNodeTriggerError("claude --agent {} reported is_error: {}".format(org_node, payload))
return payload["result"]